Lawn Treatment - When To Begin?
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    Lawn Treatment - When To Begin?

    Last year it was 70 degrees out at this time then got cold during April. This year it is cold with snow on the ground...

    Once the snow is gone (who knows when and if it will stay that way), when should I think about treating the lawn with crabgrass preventer (start with that correct)? Go by calendar or temperatures?



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    Re: Lawn Treatment - When To Begin?

    Quote Originally Posted by cyfanatic View Post
    Last year it was 70 degrees out at this time then got cold during April. This year it is cold with snow on the ground...

    Once the snow is gone (who knows when and if it will stay that way), when should I think about treating the lawn with crabgrass preventer (start with that correct)? Go by calendar or temperatures?
    get the first feeding of fertilizer with crabgrass preventer on about the first week of april. crabgrass preventer only works on seedlings, will not kill established crabgrass, also don't plan on overseeding an area treated with crabgrass preventer for a couple of months, as grass seed will not germinate with the ai of crabgrass preventer present



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    Re: Lawn Treatment - When To Begin?

    Last year was an anomaly. I put mine down on March 20 about a week after I first mowed my lawn. I usually plan on April 10-15 depending if I see a rain in the forecast, no later though. Then I water it in. I had great luck with Barricade. Probably the best I've ever had. I think it lasted longer.



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    Re: Lawn Treatment - When To Begin?

    Crabgrass is a warm season grass, but you need the treatment to disburse which is why we want it out early. Once it geminates, your preventers are limited in what they can do. It usually shortens the roots, but crabgrass doesn't need much when there is good moisture.

    I'm sure that this will be a common discussion over the next few weeks.



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    Re: Lawn Treatment - When To Begin?

    apply crabgrass preventer when forsythia bushes are in bloom - usually sometime in mid April

    Attachment 18912



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    Re: Lawn Treatment - When To Begin?

    I surprisingly enjoy the lawn treatment threads.



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    Re: Lawn Treatment - When To Begin?

    Quote Originally Posted by jonnyb21 View Post
    apply crabgrass preventer when forsythia bushes are in bloom - usually sometime in mid April

    Attachment 18912
    I wish mine bloomed like that. I saw the picture and bought one. Looks like hell for 3 years straight now lol



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    Re: Lawn Treatment - When To Begin?

    I am going to wait until I don't have 2 feet of snow on my lawn before I apply anything.....



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    Re: Lawn Treatment - When To Begin?

    I got an email from Earl May today and that sparked the original question up top. I feel I got too late a start last year but then it got so hot and dry that it really didn't matter what I did with my lawn! That said...I want to make sure I am ready to go...even though there is snow on the ground. I really like Earl May products...although they do seem a bit pricey. When I have used their lawn programs (and we received some amount of rain) I have always had great success!



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    Re: Lawn Treatment - When To Begin?

    These are good threads b/c I need help with this stuff. I'm planning to aerate our lawn this spring. Does it matter if that is done before or after applying crabgrass preventer?


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    Re: Lawn Treatment - When To Begin?

    I lost some man points last year, I hired Risco Landscaping out of Ames last year. $48/application and my lawn looked great. I have an odd measured lawn so I never put the right amount down and I don't like storing all the chemicals in the garage with the kids playing. Anyway, I'm planning to use them again this year and they just sent me the treatment schedule.
    Early Spring: (appoximately 1st week of April)
    -1st application for pre-emergent crabgrass control
    -Fertilizer
    Late Spring: (approximately 3rd week of May)
    -2nd application for pre-emergent (and early post-emergent) crabgrass control.
    -Fertilizer
    -1st application for broadleaf control.
    Summer: (approximately 2nd week of July)
    -Fertilizer
    -Optional grub control. (If I get this it bumps up my bill to $62
    Late Summer/Early Fall: (approximately 4th week of August)
    -Fertilizer
    -Spot spray herbicide for broadleaf weeds
    Fall: (approximately 1st week of October)
    -2nd application for broadleaf weed control
    -Fertilizer (winterizer)

    Hope this helps. I used to just take these schedules and do it myself, but now I can use that extra hour and a half for boating/fishing/golfing this year.



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    Re: Lawn Treatment - When To Begin?

    Quote Originally Posted by stateofmind View Post
    I lost some man points last year, I hired Risco Landscaping out of Ames last year. $48/application and my lawn looked great. I have an odd measured lawn so I never put the right amount down and I don't like storing all the chemicals in the garage with the kids playing. Anyway, I'm planning to use them again this year and they just sent me the treatment schedule.
    Early Spring: (appoximately 1st week of April)
    -1st application for pre-emergent crabgrass control
    -Fertilizer
    Late Spring: (approximately 3rd week of May)
    -2nd application for pre-emergent (and early post-emergent) crabgrass control.
    -Fertilizer
    -1st application for broadleaf control.
    Summer: (approximately 2nd week of July)
    -Fertilizer
    -Optional grub control. (If I get this it bumps up my bill to $62
    Late Summer/Early Fall: (approximately 4th week of August)
    -Fertilizer
    -Spot spray herbicide for broadleaf weeds
    Fall: (approximately 1st week of October)
    -2nd application for broadleaf weed control
    -Fertilizer (winterizer)

    Hope this helps. I used to just take these schedules and do it myself, but now I can use that extra hour and a half for boating/fishing/golfing this year.
    This is a huge help actually. I have a ton of dead spots that get bigger and bigger each year under my tree. Would I be better off laying sod there you think or is seeding my best option? And what season should I do this?



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    Re: Lawn Treatment - When To Begin?

    Instead of just randomly applying the first feeding and crabgrass preventor on a predetermined date - may want to look at the soil temps.



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    Re: Lawn Treatment - When To Begin?

    Quote Originally Posted by State43 View Post
    Would I be better off laying sod there you think or is seeding my best option? And what season should I do this?
    I have the same question about over seeding. When is that most beneficial and how long should I wait to do it after applying crabgrass preventer?



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    Re: Lawn Treatment - When To Begin?

    I think a lot of the common weed killers like Ortho don't work well and the weed and feed stuff doesn't do much either so if you are looking to get a good kill on your weeds without hurting your grass just buy some 2 4-D for around $10 a bottle that you can mix into a sprayer which is what most professional lawn care places use in their applications. You have to be careful not to get it on bushes and plants but if applied right after 2 applications of it your lawn will look great. It doesn't kill crabgrass but it will get some of the really hard to kill weeds like perennial violets and clover that the weak sprays like Ortho won't kill. Save yourself the money of paying a lawn service to spray, if you apply 2 4-D right you'll get just as good of results at a fraction of the cost.

    For fertilizer, pay attention to the numbers on the fertilizer bag. You might see something like 24-2-8. The first one is nitrogen, you don't need to get the highest nitrogen number, especially in the spring as that is just going to help promote weed growth. Higher nitrogen content is better for the fall after the growing season is over. The 2nd number is Phosphorus which is good for root growth so the higher number the better especially for over-seeding or new seeding. The 3rd number is potash which is good to have a higher number of this too with dry conditions as it helps the grass withstand heat and drought. I try to find fertilizers that are at least 5 to 10 in the last 2 numbers and somewhere around 20-25 for nitrogen. I sometimes even mix in a little 10-10-10 fertilizer which is good to use if you are reseeding some bare spots. Also depends on what kind of soil quality too. If you have a lot of clay content you may want to put down some gypsum both first thing in the spring and again in the fall which will help break down the clay in your soil.

    I haven't used a lawn service and for what some of my neighbors are paying for theirs to be done I don't think their money is well spent as a $20 bag of fertilizer and my $10 investment in the 2 4-D concentrate that I get many applications worth of use out of their lawns don't look any better than mine. Just have to make sure you don't over-do it both with fertilizer or spray else you'll just brown out the lawn too which one of my friends did with too much fertilizer and had to tear it all up and start over.


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